diff --git a/server/build.gradle b/server/build.gradle
index 2e25a29..7566262 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -20,8 +20,10 @@ repositories {
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    // Argon2 password hashing
     implementation 'org.springframework.security:spring-security-crypto:6.3.3'
     implementation 'org.bouncycastle:bcprov-jdk15on:1.70'
+
     runtimeOnly 'org.postgresql:postgresql'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'